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Cleanup, rendering fixes.

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fixed rendering of tented vias
fixed rendering of semi-transparent layers
fixed file type detection issues
added some examples
This commit is contained in:
Hamilton Kibbe 2016-01-28 12:19:03 -05:00
parent b9f1b106c3
commit 5df38c014f
26 changed files with 401 additions and 231 deletions
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60
examples/cairo_example.py
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@ -24,46 +24,54 @@ a .png file.
"""
import os
from gerber import read
from gerber.render import GerberCairoContext, theme
from gerber import load_layer
from gerber.render import GerberCairoContext, RenderSettings, theme
GERBER_FOLDER = os.path.abspath(os.path.join(os.path.dirname(__file__), 'gerbers'))
# Open the gerber files
copper = read(os.path.join(GERBER_FOLDER, 'copper.GTL'))
mask = read(os.path.join(GERBER_FOLDER, 'soldermask.GTS'))
silk = read(os.path.join(GERBER_FOLDER, 'silkscreen.GTO'))
drill = read(os.path.join(GERBER_FOLDER, 'ncdrill.DRD'))
copper = load_layer(os.path.join(GERBER_FOLDER, 'copper.GTL'))
mask = load_layer(os.path.join(GERBER_FOLDER, 'soldermask.GTS'))
silk = load_layer(os.path.join(GERBER_FOLDER, 'silkscreen.GTO'))
drill = load_layer(os.path.join(GERBER_FOLDER, 'ncdrill.DRD'))
# Create a new drawing context
ctx = GerberCairoContext()
# Set opacity and color for copper layer
ctx.alpha = 1.0
ctx.color = theme.COLORS['hasl copper']
# Draw the copper layer
copper.render(ctx)
# Set opacity and color for soldermask layer
ctx.alpha = 0.75
ctx.color = theme.COLORS['green soldermask']
# Draw the copper layer. render_layer() uses the default color scheme for the
# layer, based on the layer type. Copper layers are rendered as
ctx.render_layer(copper)
# Draw the soldermask layer
mask.render(ctx, invert=True)
ctx.render_layer(mask)
# Set opacity and color for silkscreen layer
ctx.alpha = 1.0
ctx.color = theme.COLORS['white']
# Draw the silkscreen layer
silk.render(ctx)
# The default style can be overridden by passing a RenderSettings instance to
# render_layer().
# First, create a settings object:
our_settings = RenderSettings(color=theme.COLORS['white'], alpha=0.85)
# Set opacity for drill layer
ctx.alpha = 1.0
ctx.color = theme.COLORS['black']
drill.render(ctx)
# Draw the silkscreen layer, and specify the rendering settings to use
ctx.render_layer(silk, settings=our_settings)
# Draw the drill layer
ctx.render_layer(drill)
# Write output to png file
ctx.dump(os.path.join(os.path.dirname(__file__), 'cairo_example.png'))
# Load the bottom layers
copper = load_layer(os.path.join(GERBER_FOLDER, 'bottom_copper.GBL'))
mask = load_layer(os.path.join(GERBER_FOLDER, 'bottom_mask.GBS'))
# Clear the drawing
ctx.clear()
# Render bottom layers
ctx.render_layer(copper)
ctx.render_layer(mask)
ctx.render_layer(drill)
# Write png file
ctx.dump(os.path.join(os.path.dirname(__file__), 'cairo_bottom.png'))